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low profile 3-sided concrete structure
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2 posts
Sep 25, 2013
8:36 AM
Considering a design for a 3-sided precast concrete culvert with a 28ft span and a 6ft rise. We usually investigate alternate boundary conditions for structures with s/r > say 4, i.e. pin-roller at bottom of legs. But that is with simpler structural analysis programs, beam elements only. Obviously with a soil-structure FE model, it's not that simple.

Thinking that I could create a orthotropic footing material that weak in one direction to emulate a roller. I think I could stay away from level 3 modeling this way. Other thoughts?
11 posts
Oct 28, 2013
12:25 PM
Yes, you are correct.

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